We proposed and analyzed a mathematical model dealing with two species of prey-predator system. It is assumed that the prey is a stage structure population consisting of two compartments known as immature prey and mature prey. It has a refuge capability as a defensive property against the predation. https://www.roneverhart.com/SPMX50003S50H5-Spektrum-RC-3S-Smart-LiPo-Hard-Case-50C-Battery-Pack-w-IC5-Connector-11-1V-5000mAh/